The principal component analysis implements the column-wise compression, using the correlation between attributes.
主成分分析使用属性之间的相关性实现按列压缩。
The experiment results prove that this method is efficient, and it outperforms the principal component analysis.
实验结果表明，该降维方法比较有效，并且较主成分分析具有明显的优势。
The paper sets up a risk early-warning model using the methods of BP neural network and principal component analysis.
本文运用BP神经网络和主成分分析相结合的方法构建了一个商业银行风险预警模型。
The templates were constructed by principal component analysis.
采用的静止模板是利用主成份分析构造的。
Methods of principal component analysis, grey incidence analysis were employed.
研究方法：主成分分析法、灰关联分析。
The principal component analysis is a kind of effective data compression method.
主成分分析法是一种有效的数据压缩方法。
The principal component analysis can estimate the intrinsic dimensionality of the hyper-plane.
主成分分析能有效估计这一几何体的本征维数。
The content includes in the fuzzy segment, BP neural networks and principal component analysis.
内容涉及模糊分割技术、BP神经网络、主元分析技术。
Listed companies; performance evaluation; strategic; principal component analysis; entropy method.
上市公司；业绩评价；战略；主成分分析；熵值法。
In the training phase, kernel principal component analysis is used to capture nonlinear handwriting variations.
在训练阶段，核-主元分析用来捕捉非线性的手写变化。
Therefore, the derrick damage identification method based on principal component analysis and FRF is put forward.
为此，提出了基于主元分析法和FRF的井架损伤识别方法。
This paper presented a new multi-template character recognition method based on principal component analysis(PCA).
本文提出了一种基于主元分析法（PCA）的多模板字符识别算法。
An outlier detection algorithm based on principal component analysis and the sum of attributes distance is proposed.
提出了一种基于主分量分析和属性距离和的孤立点检测算法。
The results of the experiment show that the anomaly detection method based on principal component analysis is effective.
实验结果证明了基于主成分分析的异常检测方法的有效性。
This paper presents monitoring and fault diagnosis of a PVC batch process using multi way principal component analysis (MPCA).
将多方向主元分析（MPCA）理论应用到一个实际的PVC间歇反应过程的性能监测与故障诊断中。
For those species with uncertainity of taxonomic status the principal component analysis was conducted for morphometric measurements.
对分类上存在疑问的种或亚种的测量数据进行了主成分分析。
These include continuum removal, Gaussian deconvolution, principal component analysis, and spectral parameters for compositional mapping.
这些方法主要有光谱参数、连续背景扣除、高斯反卷积分析以及主成分分析。
The principal component analysis (PCA) approach for sensor fault detection, identification and reconstruction in HVAC system is presented.
提出了空调系统传感器故障检测、故障识别、故障重构的主成分分析方法。
To improve the running efficiency of the algorithm, the stochastic mapping of the patterns was modified based on principal component analysis.
为了提高群体智能聚类算法的运行效率，提出了利用主成分分析改善模式投影时的随机性。
The authors try to use multivariate statistics method based on principal component analysis (PCA) to monitor continuous casting mould process.
尝试性地将基于主元分析的多变量统计方法应用于连铸结晶器过程的监测。
Eurasian winter sea level pressure anomalies during 1948-2007 were investigated by applying a nonlinear principal component analysis (NLPCA) method.
运用非线性主成分分析法对欧亚地区1948—2007年冬季海平面气压距平场进行分析。
Then the basic concepts of principal component analysis and partial least square regression are studied, as well as their advantages and disadvantages.
引入了主成分分析与偏最小二乘回归等多元统计与回归方法，并分析了其基本思想与优缺点。
The principal component analysis can determine a few principal components from the connected factors and evaluate the all-around qualities of students.
采用主成分分析方法，从多种影响因素中找出几个主要成分指标，较为全面地综合评价了学生素质。
Based on correlation coefficients and principal component analysis, fe and al were selected as the concentration normalizer for the different trace metals.
由相关系数和主成份分析，选择铁和铝作为沉积物中痕量金属浓度的均一化元素。
High dimension was changed into low dimension by using principal component analysis method, process detecting could be carried out in the low dimension space.
应用主元分析方法将高维数据转换到低维数据空间，这使得过程监测可以在低维的空间内进行。
This paper, by using the principal component analysis method, establishes a mathematical model for overall evaluating the water pollution control engineering.
本文应用主分量分析法建立一个综合评价水污染控制工程的数学模型。
A new road recognition algorithm based on local statistical features and principal component analysis is introduced to improve its robustness and adaptiveness.
为了提高道路识别算法的鲁棒性和自适应性，提出了基于局部统计特征和主元分析的道路识别算法。
Then, this paper synthetically evaluates the comprehensive strength of patent about more developed 10 areas of our country by using the principal component analysis.
在此基础上，运用主成分分析方法对我国10个经济较发达地区的专利实力进行了分析评价。
Analysis indicated that it is an effective method to combine path-analysis with principal component analysis for integrated indirect selection of photosynthetic rate.
分析表明：通径分析与主成份分析相结合的方法是进行光合速率综合的间接选择的有效方法。
Analysis indicated that it is an effective method to combine path-analysis with principal component analysis for integrated indirect selection of photosynthetic rate.
分析表明：通径分析与主成份分析相结合的方法是进行光合速率综合的间接选择的有效方法。
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